CN208900614U - A kind of machine core formula damper - Google Patents
A kind of machine core formula damper Download PDFInfo
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- CN208900614U CN208900614U CN201821662267.7U CN201821662267U CN208900614U CN 208900614 U CN208900614 U CN 208900614U CN 201821662267 U CN201821662267 U CN 201821662267U CN 208900614 U CN208900614 U CN 208900614U
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- buffer board
- limited post
- piston rod
- spring
- fixed
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Abstract
The utility model provides a kind of machine core formula damper, it is related to automobile shock equipment technical field, including piston rod and the damper cylinder being fixedly connected, dsah-pot, piston rod sequentially passes through dsah-pot, damper cylinder, and the junction that piston rod and damper cylinder are open is equipped with rubber stopper；Cushion chamber is equipped in dsah-pot, piston rod is greater than the internal diameter of the latter buffer board in the outer diameter that buffering cavity inner sleeve is equipped with buffer board and previous buffer board that three outer diameters are gradually increased, first buffer board inner peripheral is fixedly welded on piston rod, height gradually gradually decreases where three buffer boards, the limited post with buffer board clearance fit is fixed in cushion chamber, buffer spring is arranged on corresponding limited post, and buffer board bottom is fixed in buffer spring one end, the other end is fixed on dsah-pot bottom；A kind of machine core formula damper according to the present utility model reduces the consumption abrasion of internal cylinder body and hydraulic oil, ensure that the damping effect of damper by being configured with buffer gear for piston rod.
Description
Technical field
The utility model relates to automobile shock equipment technical fields, more particularly to a kind of machine core formula damper.
Background technique
Damper be for inhibit after spring shock-absorbing rebound when concussion and from the impact on road surface, be widely used in automobile,
It is essential shock-absorption device on automobile component.When automobile passes through uneven road surface, although shock-absorbing spring can filter road surface
Vibration, but spring itself also has a reciprocating motion, and damper is exactly for inhibiting this spring to jump.
It due to the long-term reciprocating motion of the piston rod of damper, constantly does work in cylinder body, a large amount of heat can be generated, this
Sample can not only consume hydraulic oil, but also can wear internal cylinder body, to reduce the damping intensity of damper, affect damping
The damping effect of device.
Utility model content
In order to overcome the drawbacks of the prior art, the utility model provides a kind of machine core formula damper, by matching for piston rod
It is equipped with buffer gear, the consumption abrasion of internal cylinder body and hydraulic oil is reduced, ensure that the damping effect of damper.
For this purpose, the following technical solution is employed for the utility model:
The utility model provides a kind of machine core formula damper, including damper cylinder, piston rod, dsah-pot, the damper cylinder
Top is equipped with opening, passes through at the top of the dsah-pot bottom margin and the damper cylinder and is welded and fixed, is equipped in the damper cylinder
Damping chamber, the damping is intracavitary to be fixed with store oil cylinder body, and damping bottom of chamber portion is equipped with bottom valve, is equipped in the dsah-pot
Cushion chamber, the piston rod pass through the cushion chamber and protrude into that the damping is intracavitary, and it is intracavitary that the piston rod is located at the damping
One end is fixed with piston head, is equipped between the damper cylinder inner wall and the piston rod outer wall for preventing hydraulic oil from leaking out
Rubber stopper, the rubber stopper are located at the damper cylinder opening；The piston rod periphery in the cushion chamber, which is surround, to be set
It is equipped with multiple first limited posts, multiple first limited post peripheries are surrounded with multiple second limited posts, and multiple described
Two limited post peripheries are surrounded with multiple third limited posts, first limited post, second limited post and the third
Limited post is parallel with the piston rod, each first limit column bottom, each second limit column bottom, each
By being fixedly welded on the dsah-pot bottom, each first limited post is arranged with for third limit column bottom
One spring, each second limited post are arranged with second spring, and each third limited post is arranged with third spring,
The length of the second spring is less than the length of first spring, and the length of the second spring is greater than the third spring
Length；The piston rod in the cushion chamber be arranged with the first buffer board that outer diameter is gradually increased, the second buffer board,
Third buffer board, the first buffer board inner peripheral and the piston rod outer peripheral edge are by being welded and fixed, each first limit
Position column runs through first buffer board and each first limited post and the first buffer board clearance fit, and described the
One spring one end is fixed on the bottom of first buffer board, the other end is fixed on the dsah-pot bottom；First limit
Column is less than the internal diameter of second buffer board, and described second to the sum of the distance of piston rod and the diameter of first limited post
The internal diameter of buffer board be less than first buffer board outer diameter, each second limited post run through second buffer board,
And each second limited post and the second buffer board clearance fit, described second spring one end are fixed on described second and are delayed
The dsah-pot bottom is fixed in the bottom of punching, the other end；Distance and described second of second limited post to piston rod
The sum of diameter of limited post is less than the internal diameter of the third buffer board, and the internal diameter of the third buffer board is less than described second and delays
The outer diameter of punching, each third limited post run through the third buffer board and each third limited post and described
Third buffer board clearance fit, the third spring one end is fixed on the bottom of the third buffer board, the other end is fixed on institute
State dsah-pot bottom.
In the preferable technical solution of the utility model, between each first limited post and first buffer board
Gap is all larger than 2mm, and the gap between each second limited post and second buffer board is all larger than 2mm, each described
Gap between third limited post and the third buffer board is all larger than 2mm.
In the preferable technical solution of the utility model, the number of the quantity of first limited post, second limited post
Amount and the quantity of the third limited post are at least four.
In the preferable technical solution of the utility model, the length of each first limited post is than first buffer board
At least big 5mm of the distance of top to the cushion chamber bottom, the length of each second limited post is than second buffer board
At least big 5mm of the distance of top to the cushion chamber bottom, the length of each third limited post is than the third buffer board
At least big 5mm of the distance of top to the cushion chamber bottom.
In the preferable technical solution of the utility model, the piston rod is fixed with spiral shell far from one end of the piston head
Bar, the center line of the screw rod are overlapped with the center line of the piston rod, are arranged with limit film on the screw rod.
The utility model has the following beneficial effects:
A kind of machine core formula damper provided by the utility model, by being the piston rod configuration three in the dsah-pot
A buffer board, and three buffer board bottoms are provided with buffer spring, so that three buffer boards and its corresponding buffering
Spring successively buffers the piston rod, and the buffer function gradually to add up three times greatly reduces the piston head described
The intracavitary movement velocity of damping is worn the consumption of internal cylinder body and hydraulic oil to reduce the piston rod movement, is guaranteed
The damping effect of damper, extends the service life of the damper；Simultaneously by the design of the rubber stopper, to described
Sealing is played the role of in damper cylinder and the piston rod junction, avoids hydraulic oil from leaking out, also plays and extend the damping
The effect of the service life of device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for machine core formula damper that specific embodiment of the present invention provides；
Fig. 2 is a kind of dsah-pot internal structure amplification for machine core formula damper that specific embodiment of the present invention provides
Figure.
In figure:
100, damper cylinder；101, damping chamber；110, store oil cylinder body；120, bottom valve；200, dsah-pot；201, cushion chamber；
300, piston rod；310, piston head；320, screw rod；330, limit film；400, rubber stopper；510, the first limited post；520, second
Limited post；530, third limited post；610, the first spring；620, second spring；630, third spring；710, the first buffer board；
720, the second buffer board；730, third buffer board.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art and technical solution are briefly described, it should be apparent that, it is described below
Attached drawing be only some embodiments of the utility model, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
It further illustrates the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments, needs
Bright, the attached drawing in specific embodiment is only schematic diagram, is not defined to size, and actual size is with material object
It is quasi-.
As shown in FIG. 1 to FIG. 2, including damper cylinder 100, piston rod 300, dsah-pot 200, set at the top of the damper cylinder 100
Have an opening, 200 bottom margin of dsah-pot with, by being welded and fixed, set in the damper cylinder 100 at the top of the damper cylinder 100
There is damping chamber 101, store oil cylinder body 110 is fixed in the damping chamber 101, hydraulic oil is full of in the damping chamber 101, it is described
101 bottom of damping chamber is equipped with bottom valve 120, and cushion chamber 201 is equipped in the dsah-pot 200, and the piston rod 300 passes through described
Cushion chamber 201 protrudes into the damping chamber 101, and one end that the piston rod 300 is located in the damping chamber 101 is fixed with work
Chock plug 310 is equipped with the rubber for preventing hydraulic oil from leaking out between 300 outer wall of 100 inner wall of damper cylinder and the piston rod
Plug 400, the rubber stopper 400 is located at 100 opening of damper cylinder；The piston rod 300 in the cushion chamber 201
Periphery is surrounded with multiple first limited posts 510, and multiple first limited post, 510 peripheries are surrounded with multiple second limits
Position column 520, multiple second limited post, 520 peripheries are surrounded with multiple third limited posts 530, first limited post
510, second limited post 520 and the third limited post 530 are parallel with the piston rod 300, and each described first
510 bottom of limited post, each second limited post, 520 bottom, each 530 bottom of third limited post pass through welding admittedly
Due to 200 bottom of dsah-pot, each first limited post 510 is arranged with the first spring 610, each second limit
Position column 520 is arranged with second spring 620, and each third limited post 530 is arranged with third spring 630, and described second
The length of spring 620 is less than the length of first spring 610, and the length of the second spring 620 is greater than the third bullet
The length of spring 630；The piston rod 300 in the cushion chamber 201 is arranged with the first buffer board that outer diameter is gradually increased
710, the second buffer board 720, third buffer board 730,300 outer peripheral edge of 710 inner peripheral of the first buffer board and the piston rod
By being welded and fixed, each first limited post 510 is through first buffer board 710 and each first limit
First buffer board 710 is fixed in column 510 and 710 clearance fit of the first buffer board, described first spring, 610 one end
200 bottom of dsah-pot is fixed in bottom, the other end；First limited post 510 is to the distance of piston rod 300 and described the
The sum of diameter of one limited post 510 is less than the internal diameter of second buffer board 720, and the internal diameter of second buffer board 720 is small
In the outer diameter of first buffer board 710, each second limited post 520 is through second buffer board 720 and each
Second limited post 520 and 720 clearance fit of the second buffer board, described 620 one end of second spring are fixed on described
200 bottom of dsah-pot is fixed in the bottom of two buffer boards 720, the other end；Second limited post 520 arrives piston rod 300
Distance and the sum of the diameter of second limited post 520 be less than the internal diameter of the third buffer board 730, and the third buffers
The internal diameter of plate 730 is less than the outer diameter of second buffer board 720, and each third limited post 530 is slow through the third
Punching 730 and each third limited post 530 and 730 clearance fit of third buffer board, the third spring 630 1
The bottom of the third buffer board 730 is fixed at end, the other end is fixed on 200 bottom of dsah-pot.
Further, the gap between each first limited post 510 and first buffer board 710 is all larger than 2mm,
In this way setting be in order to guarantee that first limited post 510 is moved up and down without limitation on first buffer board 710, it is each
Gap between second limited post 520 and second buffer board 720 is all larger than 2mm, and setting is to guarantee in this way
The second limited post 520 is stated to move up and down without limitation on second buffer board 720, each third limited post 530 with
Gap between the third buffer board 730 is all larger than 2mm, and setting is to guarantee that the third limited post 530 will not in this way
The third buffer board 730 is limited to move up and down；It generally speaking, is to guarantee that each buffer board and spring can be right
Buffer function is played in 300 activity of piston rod.
Further, the quantity of first limited post 510, the quantity of second limited post 520 and third limit
The quantity of position column 530 is at least four, and four first limited posts 510 are uniformly distributed on first buffer board 710, and four
A second limited post 520 is uniformly distributed on second buffer board 720, and four third limited posts 530 uniformly divide
It is distributed on the third buffer board 730, such setting is in order to guarantee that each buffer board keeps balance, to reach optimal slow
Rush effect.
Further, the length of each first limited post 510 is than arriving the buffering at the top of first buffer board 710
At least big 5mm of the distance of 201 bottom of chamber, the length of each second limited post 520 at the top of second buffer board 720 than arriving
At least big 5mm of distance of 201 bottom of cushion chamber, the length of each third limited post 530 is than the third buffer board
730 top arrive 201 bottom of cushion chamber at least big 5mm of distance, in this way setting be in order to prevent when spring restore original it is long when,
Buffer board falls off from corresponding limited post, thus ensure that buffer board and spring can repeated work, to meet the work
When stopper rod 300 moves back and forth, buffer board and spring can play buffer function to the piston rod 300.
Further, the piston rod 300 is fixed with screw rod 320, the screw rod far from one end of the piston head 310
320 center line is overlapped with the center line of the piston rod 300, limit film 330 is arranged on the screw rod 320, by described
Damper can be connect by screw rod 320 with automobile equipment, then be limited by the limit film 330 damper height and position
System, to meet the installation requirement of damper.
Buffering course: when the piston rod 300 moves downward, first buffer board 710 with the piston rod 300 simultaneously
It is moved downward along first limited post 510, at this moment first spring 610 is compressed, and plays to the piston rod 300
Primary buffer function；When first buffer board 710, which drops to, to be touched with second buffer board 720, in the piston
Under the movement of bar 300, second buffer board 720 is lowered by and moves downward along second limited post 520, and at this moment described
One spring 610 and the second spring 620 are compressed, and play secondary buffer function to the piston rod 300；Work as institute
The second buffer board 720 is stated to drop to when touching with the third buffer board 730, under the movement of the piston rod 300, described the
Three buffer boards 730 are lowered by and move downward along the third limited post 530, at this moment first spring 610, second bullet
Spring 620 and the third spring 630 are compressed, and the buffer function of third time is played to the piston rod 300.
A kind of machine core formula damper provided by the utility model, by being the piston rod 300 in the dsah-pot 200
Three buffer boards are configured, and three buffer board bottoms are provided with buffer spring, so that three buffer boards and its corresponding
Buffer spring successively the piston rod 300 is buffered, gradually cumulative buffer function greatly reduces the work three times
Movement velocity of the chock plug 310 in the damping chamber 101, to reduce the movement of piston rod 300 to internal cylinder body and liquid
The consumption of pressure oil is worn, and be ensure that the damping effect of damper, is extended the service life of the damper；Simultaneously by described
The design of rubber stopper 400 plays the role of sealing with 300 junction of piston rod to the damper cylinder 100, avoids hydraulic oil
It leaks out, also plays the effect for extending the service life of the damper.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (5)
1. a kind of machine core formula damper, it is characterised in that:
Including damper cylinder (100), piston rod (300), dsah-pot (200), opening is equipped at the top of the damper cylinder (100), it is described
Dsah-pot (200) bottom margin, by being welded and fixed, is equipped in the damper cylinder (100) and subtracts with the damper cylinder (100) top
It shakes chamber (101), is fixed with store oil cylinder body (110) in the damping chamber (101), damping chamber (101) bottom is equipped with bottom
Valve (120), the dsah-pot (200) is interior to be equipped with cushion chamber (201), and the piston rod (300) passes through the cushion chamber (201) and stretches
Enter in the damping chamber (101), one end that the piston rod (300) is located in the damping chamber (101) is fixed with piston head
(310), the rubber for preventing hydraulic oil from leaking out is equipped between damper cylinder (100) inner wall and the piston rod (300) outer wall
Rubber plug (400), the rubber stopper (400) are located at the damper cylinder (100) opening；
The piston rod (300) periphery in the cushion chamber (201) is surrounded with multiple first limited posts (510),
Multiple first limited post (510) peripheries are surrounded with multiple second limited posts (520), multiple second limited posts
(520) periphery is surrounded with multiple third limited posts (530), first limited post (510), second limited post
(520) and the third limited post (530) is parallel with the piston rod (300), each first limited post (510) bottom
Portion, each second limited post (520) bottom, each third limited post (530) bottom are by being fixedly welded on
Dsah-pot (200) bottom is stated, each first limited post (510) is arranged with the first spring (610), each second limit
Position column (520) is arranged with second spring (620), and each third limited post (530) is arranged with third spring (630),
The length of the second spring (620) is less than the length of first spring (610), and the length of the second spring (620)
Greater than the length of the third spring (630)；
The piston rod (300) in the cushion chamber (201) is arranged with the first buffer board that outer diameter is gradually increased
(710), the second buffer board (720), third buffer board (730), the first buffer board (710) inner peripheral and the piston rod
(300) outer peripheral edge is by being welded and fixed, and each first limited post (510) is through first buffer board (710) and each
A first limited post (510) and first buffer board (710) clearance fit, described first spring (610) one end are fixed
The dsah-pot (200) bottom is fixed in the bottom of first buffer board (710), the other end；First limited post
(510) it is less than second buffer board to the sum of the distance of piston rod (300) and the diameter of first limited post (510)
(720) internal diameter, and the internal diameter of second buffer board (720) is less than the outer diameter of first buffer board (710), it is each described
Second limited post (520) runs through second buffer board (720) and each second limited post (520) and described second
The bottom, another of second buffer board (720) is fixed in buffer board (720) clearance fit, described second spring (620) one end
The dsah-pot (200) bottom is fixed at end；Second limited post (520) arrives the distance and described second of piston rod (300)
The sum of diameter of limited post (520) is less than the internal diameter of the third buffer board (730), and the third buffer board (730) is interior
Diameter is less than the outer diameter of second buffer board (720), and each third limited post (530) runs through the third buffer board
(730) and each third limited post (530) and the third buffer board (730) clearance fit, the third spring
(630) bottom of the third buffer board (730) is fixed in one end, the other end is fixed on the dsah-pot (200) bottom.
2. a kind of machine core formula damper according to claim 1, it is characterised in that:
Gap between each first limited post (510) and first buffer board (710) is all larger than 2mm, each described
Gap between second limited post (520) and second buffer board (720) is all larger than 2mm, each third limited post
(530) gap between the third buffer board (730) is all larger than 2mm.
3. a kind of machine core formula damper according to claim 1, it is characterised in that:
The quantity of first limited post (510), the quantity of second limited post (520) and the third limited post (530)
Quantity be at least four.
4. a kind of machine core formula damper according to claim 1, it is characterised in that:
The length of each first limited post (510) is than arriving the cushion chamber (201) bottom at the top of first buffer board (710)
At least big 5mm of the distance in portion, the length of each second limited post (520) is than arriving institute at the top of second buffer board (720)
At least big 5mm of distance of cushion chamber (201) bottom is stated, the length of each third limited post (530) is buffered than the third
At least big 5mm of distance of the cushion chamber (201) bottom is arrived at the top of plate (730).
5. a kind of machine core formula damper according to claim 1, it is characterised in that:
The piston rod (300) is fixed with screw rod (320) far from the one end of the piston head (310), the screw rod (320)
Center line is overlapped with the center line of the piston rod (300), is arranged with limit film (330) on the screw rod (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662267.7U CN208900614U (en) | 2018-10-13 | 2018-10-13 | A kind of machine core formula damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662267.7U CN208900614U (en) | 2018-10-13 | 2018-10-13 | A kind of machine core formula damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208900614U true CN208900614U (en) | 2019-05-24 |
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ID=66575678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821662267.7U Active CN208900614U (en) | 2018-10-13 | 2018-10-13 | A kind of machine core formula damper |
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| Country | Link |
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| CN (1) | CN208900614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991707A (en) * | 2022-05-17 | 2022-09-02 | 浙江吉利控股集团有限公司 | Adjustable rubber plug |
-
2018
- 2018-10-13 CN CN201821662267.7U patent/CN208900614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991707A (en) * | 2022-05-17 | 2022-09-02 | 浙江吉利控股集团有限公司 | Adjustable rubber plug |
| CN114991707B (en) * | 2022-05-17 | 2024-04-09 | 浙江吉利控股集团有限公司 | Adjustable rubber plug |
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